Home / 10,665.60-15,998.40-4,833.60

Finding the Fourth Proportional to 10,665.60, 15,998.40 and 4,833.60

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Solution

The fourth proportional to 10,665.60, 15,998.40 and 4,833.60 is: 7,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,665.60 : 15,998.40 = 4,833.60 : x
  2. Step 2: Convert to fraction form
    10,665.60/15,998.40 = 4,833.60/x
  3. Step 3: Cross multiply
    10,665.60x = 15,998.40 × 4,833.60
  4. Step 4: Simplify right side
    10,665.60x = 77,329,866.24
  5. Step 5: Solve for x
    x = 77,329,866.24/10,665.60
  6. Step 6: Final answer
    x = 7,250.40

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.